Our Oak Ridge Plug-In Speed control may be used with wood/coal stoves requiring blowers. It reduced blower noise, controls blower speed, improves control of heat distribution and helps save energy. The Moto-Trol may be used with any household appliance or work shop/hobby equipment requiring speed adjustment. It may be used as a portable light dimmer for incandescent lighting.100% solid state, 300 watts for split capacitor universal and shaded pole motors only. Rated 3 amps and 120 VAC.